The certification shows that the update is almost ready for distribution to users, and in this case the lucky smartphones or tablets are the Sony Xperia Z1 are the Sony Xperia Z1 Compact, the Sony Xperia Z Ultra, the Sony Xperia C3 and Sony Xperia T2 Ultra. Android 5.1.1 update in Xperia Z is numbering 14.6.A.0.368 while the Xperia C3 and Xperia T2 Ultra have been certified under 19.4.A.0.180 numbering. Recall that it was intended that the Xperia Z will be updated to Android 5.1.1 Lollipop during the month of August, while the Xperia T2 Ultra and C3 were expected to upgrade from September.

Android 5.1.1 Lollipop update for Sony devices is especially designed to incorporate new interface, and mainly focuses on correcting the errors that have been generated in earlier versions of Lollipop. Among the minor changes that users will find the interface, Sony included a shortcut to WiFi and Bluetooth connectivity from Notification Center (a novelty we already knew from Google started when rolling out Android 5.1.1), icons renewed in the Settings section and minor changes in some animations.

Moreover, there are still roaming the Xperia range to upgrade to Android 5.1.1 Lollipop version. Sony also said at the time that the Sony Xperia Z, the Sony Xperia M2 and Sony Xperia M2 Aqua also will be updated to Android 5.1.1, but did not reveal any specific date for the distribution of its updates. And what about the models appearing not mentioned by any site? Sony Xperia M4 Aqua, the Sony Xperia C4 or even the Sony Xperia Z4 Tablet have no expected arrival date of Android 5.1.1, but we assume that sooner or later will end also upgrading to this version.